Home / 293,134.88-439,662.48-82,789.76

Finding the Fourth Proportional to 293,134.88, 439,662.48 and 82,789.76

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Solution

The fourth proportional to 293,134.88, 439,662.48 and 82,789.76 is: 124,173.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,134.88 : 439,662.48 = 82,789.76 : x
  2. Step 2: Convert to fraction form
    293,134.88/439,662.48 = 82,789.76/x
  3. Step 3: Cross multiply
    293,134.88x = 439,662.48 × 82,789.76
  4. Step 4: Simplify right side
    293,134.88x = 36,399,551,200.20
  5. Step 5: Solve for x
    x = 36,399,551,200.20/293,134.88
  6. Step 6: Final answer
    x = 124,173.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.